Don't dampen the enthusiasm of the masses.不要损伤大家的积极性.I hate to dampen your spirits but aren't you overlooking a couple of minor points.我不想扫你的兴，但你是否忽视了几个小的问题呢？Although unemployment rose last month, this is unlik...
介绍了利用BTC生产 过程中产生的副产品氯化氢气体合成盐酸乙脒的工艺研究.This paper introduces the production technology of acetamidine hydrochloride and hydrogen chloride produced in BTC synthesis.采用重量分析法测定盐酸乙脒中难挥发杂质的含量.The content of in volatile impuriti...